MEDIUM 6.5 Microsoft

CVE-2026-50508

Windows NTLM Spoofing Vulnerability

Microsoft Security Update 2026-Jun: Windows NTLM Spoofing Vulnerability

Affected Products

Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows Server, version 2004 (Server Core installation)
Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows Server 2016

References

Published: 2026-06-09 · Source: Microsoft · Feed updated: 2026-08-04

This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-06-09 via Microsoft. EPSS score: 8.7% (top 5% of all CVEs by exploitation probability). Affected: Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server, version 2004 (Server Core installation) and 5 more.

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